CZ291746B6 - Způsob stanovení nízkých koncentrací organických sloučenin v znečištěném životním prostředí a zařízení - Google Patents
Způsob stanovení nízkých koncentrací organických sloučenin v znečištěném životním prostředí a zařízení Download PDFInfo
- Publication number
- CZ291746B6 CZ291746B6 CZ1996889A CZ88996A CZ291746B6 CZ 291746 B6 CZ291746 B6 CZ 291746B6 CZ 1996889 A CZ1996889 A CZ 1996889A CZ 88996 A CZ88996 A CZ 88996A CZ 291746 B6 CZ291746 B6 CZ 291746B6
- Authority
- CZ
- Czechia
- Prior art keywords
- concentration
- carrier fluid
- organic
- organic compounds
- tube
- Prior art date
Links
- 150000002894 organic compounds Chemical class 0.000 title claims abstract description 22
- 238000012544 monitoring process Methods 0.000 title claims abstract 4
- 238000000034 method Methods 0.000 title claims description 14
- 230000007613 environmental effect Effects 0.000 title abstract 5
- 238000009792 diffusion process Methods 0.000 claims abstract description 53
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000003795 desorption Methods 0.000 claims abstract description 16
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 30
- 239000000126 substance Substances 0.000 claims description 30
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 21
- 239000005416 organic matter Substances 0.000 claims description 19
- DIKBFYAXUHHXCS-UHFFFAOYSA-N bromoform Chemical compound BrC(Br)Br DIKBFYAXUHHXCS-UHFFFAOYSA-N 0.000 claims description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 12
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 claims description 10
- 229920001296 polysiloxane Polymers 0.000 claims description 9
- 229950005228 bromoform Drugs 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000008096 xylene Substances 0.000 claims description 5
- 229920005597 polymer membrane Polymers 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 239000012528 membrane Substances 0.000 abstract description 6
- 239000012159 carrier gas Substances 0.000 abstract description 5
- 230000000737 periodic effect Effects 0.000 abstract 1
- 238000007725 thermal activation Methods 0.000 abstract 1
- 239000012855 volatile organic compound Substances 0.000 description 30
- FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000003651 drinking water Substances 0.000 description 5
- 235000020188 drinking water Nutrition 0.000 description 5
- 239000003673 groundwater Substances 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 241000005398 Figaro Species 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- -1 dimethylsiloxane Chemical class 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000013178 mathematical model Methods 0.000 description 3
- 230000003446 memory effect Effects 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GATVIKZLVQHOMN-UHFFFAOYSA-N Chlorodibromomethane Chemical compound ClC(Br)Br GATVIKZLVQHOMN-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 238000011437 continuous method Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000010223 real-time analysis Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920002449 FKM Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- FMWLUWPQPKEARP-UHFFFAOYSA-N bromodichloromethane Chemical compound ClC(Cl)Br FMWLUWPQPKEARP-UHFFFAOYSA-N 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000012468 concentrated sample Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1826—Organic contamination in water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4005—Concentrating samples by transferring a selected component through a membrane
- G01N2001/4016—Concentrating samples by transferring a selected component through a membrane being a selective membrane, e.g. dialysis or osmosis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N30/12—Preparation by evaporation
- G01N2030/121—Preparation by evaporation cooling; cold traps
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N30/14—Preparation by elimination of some components
- G01N2030/146—Preparation by elimination of some components using membranes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N2030/621—Detectors specially adapted therefor signal-to-noise ratio
- G01N2030/623—Detectors specially adapted therefor signal-to-noise ratio by modulation of sample feed or detector response
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/72—Mass spectrometers
- G01N30/7206—Mass spectrometers interfaced to gas chromatograph
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1893—Water using flow cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPM7074A AUPM707494A0 (en) | 1994-07-26 | 1994-07-26 | A method and apparatus for environmental monitoring of low concentration levels of organic compounds |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CZ88996A3 CZ88996A3 (en) | 1997-02-12 |
| CZ291746B6 true CZ291746B6 (cs) | 2003-05-14 |
Family
ID=3781597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CZ1996889A CZ291746B6 (cs) | 1994-07-26 | 1995-07-26 | Způsob stanovení nízkých koncentrací organických sloučenin v znečištěném životním prostředí a zařízení |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US5773713A (es) |
| EP (1) | EP0725926B1 (es) |
| JP (1) | JP3597865B2 (es) |
| KR (1) | KR100397532B1 (es) |
| AT (1) | ATE250218T1 (es) |
| AU (1) | AUPM707494A0 (es) |
| CZ (1) | CZ291746B6 (es) |
| DE (1) | DE69531770T2 (es) |
| ES (1) | ES2207649T3 (es) |
| HU (1) | HU222554B1 (es) |
| NZ (1) | NZ289788A (es) |
| PL (1) | PL313592A1 (es) |
| RU (1) | RU2146811C1 (es) |
| WO (1) | WO1996003633A1 (es) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19627046C2 (de) * | 1996-07-05 | 1998-10-15 | Danfoss As | Verfahren zum Ermitteln eines Durchgangsverhaltens einer Membran in einem Analysesystem und Analysesystem |
| DE19729492A1 (de) * | 1997-07-10 | 1999-02-11 | Forschungszentrum Juelich Gmbh | Verfahren und Vorrichtung zur Serienprobenahme |
| IT1310403B1 (it) * | 1999-06-24 | 2002-02-13 | Univ Bologna | Dispositivo per l'analisi di composti organici, particolarmente incampioni acquosi e gassosi. |
| US6648552B1 (en) * | 1999-10-14 | 2003-11-18 | Bechtel Bwxt Idaho, Llc | Sensor system for buried waste containment sites |
| DE10024969A1 (de) * | 2000-05-22 | 2001-12-06 | Forschungszentrum Juelich Gmbh | Verfahren für die Bestimmung von Substrat- und Produktkonzentrationen in einem Medium |
| JP3674029B2 (ja) * | 2000-10-17 | 2005-07-20 | 横河電機株式会社 | Ｖｏｃ環境モニタリングシステム |
| US6620630B2 (en) * | 2001-09-24 | 2003-09-16 | Extraction Systems, Inc. | System and method for determining and controlling contamination |
| US20040023419A1 (en) * | 2001-09-24 | 2004-02-05 | Extraction Systems, Inc | System and method for monitoring contamination |
| US7092077B2 (en) * | 2001-09-24 | 2006-08-15 | Entegris, Inc. | System and method for monitoring contamination |
| US7003405B1 (en) | 2001-10-25 | 2006-02-21 | Sandia Corporation | Methods for characterizing subsurface volatile contaminants using in-situ sensors |
| US7229593B1 (en) | 2001-10-25 | 2007-06-12 | Sandia Corporation | Portable vapor diffusion coefficient meter |
| US20060191319A1 (en) * | 2004-12-17 | 2006-08-31 | Kurup Pradeep U | Electronic nose for chemical sensing |
| ITRM20090581A1 (it) * | 2009-11-11 | 2011-05-12 | Istituto Naz Per La Ricerca S Ul Cancro | Dispositivo di rilevazione di sostanze volatili, apparato utilizzante tale dispositivo e relativo metodo di funzionamento. |
| WO2014000685A1 (zh) | 2012-06-29 | 2014-01-03 | 华瑞科学仪器(上海)有限公司 | 一种水中挥发性有机物的采样检测装置 |
| TW201408360A (zh) * | 2012-08-24 | 2014-03-01 | Jg Environmental Tech Co Ltd | 空氣中有機化合物淨化系統及方法 |
| US9370734B2 (en) * | 2013-06-26 | 2016-06-21 | Idex Health & Science, Llc | Fluid degassing module with helical membrane |
| DE102013112823B3 (de) * | 2013-11-20 | 2015-03-26 | Maschinenfabrik Reinhausen Gmbh | Vorrichtung und Verfahren zur Detektion von Gas |
| GB2527867B (en) * | 2014-12-01 | 2016-06-29 | Ion Science Ltd | Detection of organics in water |
| AU2017343674C1 (en) * | 2016-10-10 | 2022-09-15 | Commonwealth Scientific And Industrial Research Organisation | Apparatus, method and system for monitoring |
| CN112326370B (zh) * | 2020-10-15 | 2024-03-22 | 辽宁大学 | 一种黑臭水体中挥发性气体的采集装置及检测方法 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3438241A (en) * | 1964-09-23 | 1969-04-15 | Monsanto Co | Gas detection apparatus |
| BE711789A (es) * | 1968-03-07 | 1968-09-09 | ||
| DE2022958B2 (de) * | 1969-06-16 | 1979-03-08 | Varian Associates Inc., Palo Alto, Calif. (V.St.A.) | Verfahren zum Detektieren von Stoffen in einer Flüssigkeit, Verwendung dieses Verfahrens und Vorrichtung zur Durchfuhrung des Verfahrens |
| US3624710A (en) * | 1969-07-03 | 1971-11-30 | Monsanto Co | System for analysis |
| US3926561A (en) * | 1974-05-13 | 1975-12-16 | Meloy Lab | Gas analysis employing semi-permeable membrane |
| HU177965B (en) * | 1976-12-23 | 1982-02-28 | Hiradastechnikai Gepgyar | Method and apparatus for detecting total organic material content lf gases by means of flame ionization detector |
| US4409819A (en) * | 1980-05-23 | 1983-10-18 | Texaco Inc. | Method of determining, as a property of an adsorbent, the selectivity for one component of a liquid charge composition with respect to a reference component of said charge composition |
| US4357824A (en) * | 1980-09-15 | 1982-11-09 | General Electric Company | Method for determining volatilization rates of dissolved volatiles from solid waste materials |
| DE3137765A1 (de) * | 1981-09-23 | 1983-03-31 | Bundesrepublik Deutschland, vertreten durch den Bundesminister der Verteidigung, dieser vertreten durch den Präsidenten des Bundesamtes für Wehrtechnik und Beschaffung, 5400 Koblenz | Verfahren und vorrichtung zur schnellen detektion, identifikation und quantifikation von spurenelementen in gasen, fluessigkeiten und festkoerpern |
| US4715217A (en) * | 1985-06-06 | 1987-12-29 | The Dow Chemical Company | Determining organic compounds using a membrane |
| JPH0774802B2 (ja) * | 1988-01-30 | 1995-08-09 | 豊明 青木 | トリハロメタンの定量方法および分析装置 |
| DE3825208C1 (es) * | 1988-07-25 | 1989-11-02 | Ernst Prof. Dr. 8581 Eckersdorf De Steudle | |
| US4860577A (en) * | 1989-01-06 | 1989-08-29 | Southeastern Illinois College Foundation | Osmotic applications of hollow fibers |
| US4958529A (en) * | 1989-11-22 | 1990-09-25 | Vestec Corporation | Interface for coupling liquid chromatography to solid or gas phase detectors |
| US5131266A (en) * | 1990-09-17 | 1992-07-21 | The Research Foundation Of The State University Of New York | Method and apparatus for continuously measuring the concentration of organic compounds in an aqueous solution |
| US5492838A (en) * | 1992-04-15 | 1996-02-20 | Pawliszyn; Janusz B. | Process and device for continuous extraction and analysis of fluid using membrane |
| US5472613A (en) * | 1993-04-19 | 1995-12-05 | Envirosep Inc. | Removing volatile and non-volatile organic in a thick film equilibrium process and device |
| SG48549A1 (en) * | 1993-11-19 | 1998-04-17 | Commw Scient Ind Res Org | Diffusion cell |
| AU676789B2 (en) * | 1993-11-19 | 1997-03-20 | Greenspan Technology Pty Ltd | Diffusion cell |
| US5609824A (en) * | 1994-07-13 | 1997-03-11 | I-Stat Corporation | Methods and apparatus for rapid equilibration of dissolved gas composition |
-
1994
- 1994-07-26 AU AUPM7074A patent/AUPM707494A0/en not_active Abandoned
-
1995
- 1995-07-26 PL PL95313592A patent/PL313592A1/xx unknown
- 1995-07-26 NZ NZ289788A patent/NZ289788A/en not_active IP Right Cessation
- 1995-07-26 US US08/619,537 patent/US5773713A/en not_active Expired - Lifetime
- 1995-07-26 AT AT95925670T patent/ATE250218T1/de not_active IP Right Cessation
- 1995-07-26 DE DE69531770T patent/DE69531770T2/de not_active Expired - Fee Related
- 1995-07-26 KR KR1019960701654A patent/KR100397532B1/ko not_active IP Right Cessation
- 1995-07-26 CZ CZ1996889A patent/CZ291746B6/cs not_active IP Right Cessation
- 1995-07-26 HU HU9600688A patent/HU222554B1/hu not_active IP Right Cessation
- 1995-07-26 RU RU96108246A patent/RU2146811C1/ru not_active IP Right Cessation
- 1995-07-26 ES ES95925670T patent/ES2207649T3/es not_active Expired - Lifetime
- 1995-07-26 EP EP95925670A patent/EP0725926B1/en not_active Expired - Lifetime
- 1995-07-26 JP JP50531796A patent/JP3597865B2/ja not_active Expired - Fee Related
- 1995-07-26 WO PCT/AU1995/000456 patent/WO1996003633A1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| HU9600688D0 (en) | 1996-05-28 |
| AUPM707494A0 (en) | 1994-08-18 |
| WO1996003633A1 (en) | 1996-02-08 |
| US5773713A (en) | 1998-06-30 |
| NZ289788A (en) | 1998-04-27 |
| DE69531770T2 (de) | 2004-04-22 |
| EP0725926A4 (en) | 1997-07-16 |
| KR960705197A (ko) | 1996-10-09 |
| EP0725926A1 (en) | 1996-08-14 |
| EP0725926B1 (en) | 2003-09-17 |
| HU222554B1 (hu) | 2003-08-28 |
| CZ88996A3 (en) | 1997-02-12 |
| HUT77827A (hu) | 1998-08-28 |
| DE69531770D1 (de) | 2003-10-23 |
| KR100397532B1 (ko) | 2003-11-28 |
| ES2207649T3 (es) | 2004-06-01 |
| JP3597865B2 (ja) | 2004-12-08 |
| RU2146811C1 (ru) | 2000-03-20 |
| ATE250218T1 (de) | 2003-10-15 |
| PL313592A1 (en) | 1996-07-08 |
| JPH09503309A (ja) | 1997-03-31 |
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| MM4A | Patent lapsed due to non-payment of fee |
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| MM4A | Patent lapsed due to non-payment of fee |
Effective date: 20060726 |